MESON Chess Problem Database

Problem Display
PID: 145868 (2b2N1b/4nR2/2p2ppQ/K1B3r1/pppP1kp1/2N1nPR1/2q1pPPP/8 w - - 0 1)

Salardini, Erio

Western Morning News, 1931

(First published on Sat Mar 21 1931)

2b2N1b/4nR2/2p2ppQ/K1B3r1/pppP1kp1/2N1nPR1/2q1pPPP/8

#2

12 + 15

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Sxe2#
    • 1...Bf5
      • 2.Bd6#
    • 1...S3f5
      • 2.Rxg4#
    • 1...S7f5
      • 2.Sxg6#
    • 1...gxf3
      • 2.Qxg5#
  • Tries
    • 1.Rxf6+?
      • 1...Qf5
        • 2.Sxe2#
      • 1...Bf5
        • 2.Se6#
        • 2.Bd6#
      • 1...S3f5
        • 2.Bd6#
        • 2.Rxg4#
      • 1...S7f5
        • 2.Sxg6#
        • 2.Bd6#
      • 1...Bxf6!
  • Keys
    • 1.h4!
      • threat
        • 2.Qxg5#
      • 1...Kf5
        • 2.Qxg5#
      • 1...Qf5
        • 2.Sxe2#
      • 1...Bf5
        • 2.Bd6#
      • 1...S3f5
        • 2.Rxg4#
      • 1...S7f5
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(a);N_GUARD,N_SPINP(k),SBLOCK::S(D),XP(b)
    • B(n);N_PINB(I),N_SPINP(k),SBLOCK::B(I)
    • S(c);N_GUARD,N_PINB(I),N_SPINP(k),SBLOCK,S_CUTB(n)::R1(F),XP(h)
    • S(m);N_GUARD,N_PINB(I),N_SPINP(k),SBLOCK,S_CUTQ(a)::S(L),XP(l)
    • P(h);XP(E)::QAB1(J),XR(i)
  • Tries
    • Try
      • R(K);CHECK,XP(k)
      • Vars
        • Q(a);P_SPINQ(a)::S(D),XP(b)
      • Refutation
        • B(o);XR(K)
  • Actual
    • P(C);
    • Threat
      • QAB1(J),XR(i)
    • Vars
      • K(g);N_PINB(I),N_SPINR(i),P-FLIGHT::QAR1(J),XR(i)
      • Q(a);N_GUARD,N_SPINP(k),SBLOCK::S(D),XP(b)
      • B(n);N_PINB(I),N_SPINP(k),SBLOCK::B(I)
      • S(c);N_GUARD,N_PINB(I),N_SPINP(k),SBLOCK,S_CUTB(n)::R1(F),XP(h)
      • S(m);N_GUARD,N_PINB(I),N_SPINP(k),SBLOCK,S_CUTQ(a)::S(L),XP(l)
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